DE3584940D1 - Anordnung zur selbsttaetigen feinabstimmung. - Google Patents

Anordnung zur selbsttaetigen feinabstimmung.

Info

Publication number
DE3584940D1
DE3584940D1 DE8585307501T DE3584940T DE3584940D1 DE 3584940 D1 DE3584940 D1 DE 3584940D1 DE 8585307501 T DE8585307501 T DE 8585307501T DE 3584940 T DE3584940 T DE 3584940T DE 3584940 D1 DE3584940 D1 DE 3584940D1
Authority
DE
Germany
Prior art keywords
tuning
self
arrangement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE8585307501T
Other languages
English (en)
Inventor
Charles Martin Wine
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Licensing Corp
Original Assignee
RCA Licensing Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RCA Licensing Corp filed Critical RCA Licensing Corp
Application granted granted Critical
Publication of DE3584940D1 publication Critical patent/DE3584940D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
DE8585307501T 1984-10-24 1985-10-17 Anordnung zur selbsttaetigen feinabstimmung. Expired - Fee Related DE3584940D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/664,418 US4601060A (en) 1984-10-24 1984-10-24 Automatic digital fine tuning system

Publications (1)

Publication Number Publication Date
DE3584940D1 true DE3584940D1 (de) 1992-01-30

Family

ID=24665907

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585307501T Expired - Fee Related DE3584940D1 (de) 1984-10-24 1985-10-17 Anordnung zur selbsttaetigen feinabstimmung.

Country Status (7)

Country Link
US (1) US4601060A (de)
EP (1) EP0179620B1 (de)
JP (1) JPH0775304B2 (de)
KR (1) KR930006673B1 (de)
CA (1) CA1213384A (de)
DE (1) DE3584940D1 (de)
HK (1) HK3797A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4879757A (en) * 1987-05-07 1989-11-07 Hazeltine Corp. Tweet elimination, or reduction, in superheterodyne receivers
US5014350A (en) * 1988-04-28 1991-05-07 Sanyo Electric Co., Ltd. Apparatus for and method of improving the AFC of a television broadcast satellite receiver
US4959872A (en) * 1988-06-23 1990-09-25 Kabushiki Kaisha Toshiba Automatic frequency control apparatus for FM receivers
US5125106A (en) * 1989-03-31 1992-06-23 Matsushita Electric Industrial Co., Ltd. Switching control apparatus for tuning system
JP2503916B2 (ja) * 1993-10-15 1996-06-05 日本電気株式会社 Ａｆｔ検波回路
JP4889754B2 (ja) * 2009-02-20 2012-03-07 イワキパックス株式会社 仕切体

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3821650A (en) * 1973-01-26 1974-06-28 Motorola Inc Phase lock loop electronic tuning system
US4077008A (en) * 1976-10-18 1978-02-28 Rca Corporation Phase locked loop tuning system with station scanning provisions
US4118740A (en) * 1977-07-21 1978-10-03 Zenith Radio Corporation Surface wave AFC discriminator with two zero crossings
JPS593889B2 (ja) * 1978-09-28 1984-01-26 松下電器産業株式会社 ダウンコンバ−タ
JPS5564477A (en) * 1978-11-10 1980-05-15 Sony Corp Television receiver
JPS5943010B2 (ja) * 1979-06-12 1984-10-19 アルプス電気株式会社 選局装置
JPS5713809A (en) * 1980-06-27 1982-01-23 Pioneer Electronic Corp Automatic channel selection device of am tuner
FR2497027B1 (fr) * 1980-12-23 1985-06-14 Thomson Csf Dispositif de correction de frequence d'un oscillateur et emetteur-recepteur comportant un tel dispositif
US4388649A (en) * 1981-06-01 1983-06-14 Rca Corporation AFT Lockout prevention system
JPS5870624A (ja) * 1981-10-22 1983-04-27 Sanyo Electric Co Ltd 自動選局装置
JPS5879325A (ja) * 1981-11-06 1983-05-13 Hitachi Ltd チユ−ナおよびその調整方法
ES525161A0 (es) * 1982-09-01 1984-06-16 Rca Corp "perfeccionamientos introducidos en un aparato de control de sintonizacion para un sistema de television"
US4485404A (en) * 1982-09-01 1984-11-27 Rca Corporation Digital aft system which is activated during vertical retrace intervals

Also Published As

Publication number Publication date
CA1213384A (en) 1986-10-28
EP0179620B1 (de) 1991-12-18
KR930006673B1 (ko) 1993-07-22
EP0179620A2 (de) 1986-04-30
US4601060A (en) 1986-07-15
KR860003737A (ko) 1986-05-28
JPS61103310A (ja) 1986-05-21
HK3797A (en) 1997-01-17
EP0179620A3 (en) 1988-03-16
JPH0775304B2 (ja) 1995-08-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee